cassegrain reflector卡: wedge; get stuck; be jammed塞: fill in; stuff格: check; squares formed by cro ...林: forest; woods; grove反射镜: speculum; mirror; reflector下载手机词典可随时随地查词查翻译关注微信公众号:chachacidian,回复:卡塞格林反射镜,即可在微信中查询翻译